Defining ISDN/PSTN Network Services

 

 

 

 

 

ISDN Service Settings

 

 

 

 

 

 

Field

Description

 

 

 

 

 

 

Dial-out Prefix

Enter the prefix that the PBX requires to dial out. Leave this field blank if a

 

 

dial-out prefix is not required.

 

 

The field can contain be empty (blank) or a numeric value between 0 and 9999.

 

 

Default: Blank

 

 

 

 

6Click Next.

The Span Definition dialog box is displayed:

7Define the following parameters:

Span Definition

Field

Description

 

 

Framing

Select the Framing format used by the carrier for the network interface from the

 

list.

 

For T1 spans, default is SFSF.

 

For E1 spans, default is FEBE.

 

 

 

Polycom®, Inc.

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Polycom 1500/1800/2000/4000 manual Span Definition Field Description